128608740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:159

約数の個数: 288

約数和(自身を含む): 460658016

約数和(自身を除く): 332049276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 53, 60, 61, 65, 68, 78, 85, 90, 102, 106, 117, 122, 130, 153, 156, 159, 170, 180, 183, 195, 204, 212, 221, 234, 244, 255, 260, 265, 305, 306, 318, 340, 366, 390, 442, 468, 477, 510, 530, 549, 585, 610, 612, 636, 663, 689, 732, 765, 780, 793, 795, 884, 901, 915, 954, 1020, 1037, 1060, 1098, 1105, 1170, 1220, 1326, 1378, 1530, 1586, 1590, 1802, 1830, 1908, 1989, 2067, 2074, 2196, 2210, 2340, 2379, 2385, 2652, 2703, 2745, 2756, 3060, 3111, 3172, 3180, 3233, 3315, 3445, 3604, 3660, 3965, 3978, 4134, 4148, 4420, 4505, 4758, 4770, 5185, 5406, 5490, 6201, 6222, 6466, 6630, 6890, 7137, 7930, 7956, 8109, 8268, 9010, 9333, 9516, 9540, 9699, 9945, 10335, 10370, 10812, 10980, 11713, 11895, 12402, 12444, 12932, 13260, 13481, 13515, 13780, 14274, 15555, 15860, 16165, 16218, 18020, 18666, 19398, 19890, 20670, 20740, 23426, 23790, 24804, 26962, 27030, 28548, 29097, 31005, 31110, 32330, 32436, 35139, 35685, 37332, 38796, 39780, 40443, 40545, 41340, 42029, 46665, 46852, 47580, 48495, 53924, 54060, 54961, 58194, 58565, 62010, 62220, 64660, 67405, 70278, 71370, 80886, 81090, 84058, 93330, 96990, 105417, 109922, 116388, 117130, 121329, 124020, 126087, 134810, 140556, 142740, 145485, 161772, 162180, 164883, 168116, 175695, 186660, 193980, 202215, 210145, 210834, 219844, 234260, 242658, 252174, 269620, 274805, 290970, 329766, 351390, 378261, 404430, 420290, 421668, 485316, 494649, 504348, 527085, 549610, 581940, 606645, 630435, 659532, 702780, 714493, 756522, 808860, 824415, 840580, 989298, 1054170, 1099220, 1213290, 1260870, 1428986, 1513044, 1648830, 1891305, 1978596, 2108340, 2143479, 2426580, 2473245, 2521740, 2857972, 3297660, 3572465, 3782610, 4286958, 4946490, 6430437, 7144930, 7565220, 8573916, 9892980, 10717395, 12860874, 14289860, 21434790, 25721748, 32152185, 42869580, 64304370, 128608740]

約数ペア:

[(1, 128608740), (2, 64304370), (3, 42869580), (4, 32152185), (5, 25721748), (6, 21434790), (9, 14289860), (10, 12860874), (12, 10717395), (13, 9892980), (15, 8573916), (17, 7565220), (18, 7144930), (20, 6430437), (26, 4946490), (30, 4286958), (34, 3782610), (36, 3572465), (39, 3297660), (45, 2857972), (51, 2521740), (52, 2473245), (53, 2426580), (60, 2143479), (61, 2108340), (65, 1978596), (68, 1891305), (78, 1648830), (85, 1513044), (90, 1428986), (102, 1260870), (106, 1213290), (117, 1099220), (122, 1054170), (130, 989298), (153, 840580), (156, 824415), (159, 808860), (170, 756522), (180, 714493), (183, 702780), (195, 659532), (204, 630435), (212, 606645), (221, 581940), (234, 549610), (244, 527085), (255, 504348), (260, 494649), (265, 485316), (305, 421668), (306, 420290), (318, 404430), (340, 378261), (366, 351390), (390, 329766), (442, 290970), (468, 274805), (477, 269620), (510, 252174), (530, 242658), (549, 234260), (585, 219844), (610, 210834), (612, 210145), (636, 202215), (663, 193980), (689, 186660), (732, 175695), (765, 168116), (780, 164883), (793, 162180), (795, 161772), (884, 145485), (901, 142740), (915, 140556), (954, 134810), (1020, 126087), (1037, 124020), (1060, 121329), (1098, 117130), (1105, 116388), (1170, 109922), (1220, 105417), (1326, 96990), (1378, 93330), (1530, 84058), (1586, 81090), (1590, 80886), (1802, 71370), (1830, 70278), (1908, 67405), (1989, 64660), (2067, 62220), (2074, 62010), (2196, 58565), (2210, 58194), (2340, 54961), (2379, 54060), (2385, 53924), (2652, 48495), (2703, 47580), (2745, 46852), (2756, 46665), (3060, 42029), (3111, 41340), (3172, 40545), (3180, 40443), (3233, 39780), (3315, 38796), (3445, 37332), (3604, 35685), (3660, 35139), (3965, 32436), (3978, 32330), (4134, 31110), (4148, 31005), (4420, 29097), (4505, 28548), (4758, 27030), (4770, 26962), (5185, 24804), (5406, 23790), (5490, 23426), (6201, 20740), (6222, 20670), (6466, 19890), (6630, 19398), (6890, 18666), (7137, 18020), (7930, 16218), (7956, 16165), (8109, 15860), (8268, 15555), (9010, 14274), (9333, 13780), (9516, 13515), (9540, 13481), (9699, 13260), (9945, 12932), (10335, 12444), (10370, 12402), (10812, 11895), (10980, 11713)]