281721960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3541}}^1$

素因数の和:3588

約数の個数: 192

約数和(自身を含む): 1044323280

約数和(自身を除く): 762601320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 51, 52, 60, 65, 68, 72, 78, 85, 90, 102, 104, 117, 120, 130, 136, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 312, 340, 360, 390, 408, 442, 468, 510, 520, 585, 612, 663, 680, 765, 780, 884, 936, 1020, 1105, 1170, 1224, 1326, 1530, 1560, 1768, 1989, 2040, 2210, 2340, 2652, 3060, 3315, 3541, 3978, 4420, 4680, 5304, 6120, 6630, 7082, 7956, 8840, 9945, 10623, 13260, 14164, 15912, 17705, 19890, 21246, 26520, 28328, 31869, 35410, 39780, 42492, 46033, 53115, 60197, 63738, 70820, 79560, 84984, 92066, 106230, 120394, 127476, 138099, 141640, 159345, 180591, 184132, 212460, 230165, 240788, 254952, 276198, 300985, 318690, 361182, 368264, 414297, 424920, 460330, 481576, 541773, 552396, 601970, 637380, 690495, 722364, 782561, 828594, 902955, 920660, 1083546, 1104792, 1203940, 1274760, 1380990, 1444728, 1565122, 1657188, 1805910, 1841320, 2071485, 2167092, 2347683, 2407880, 2708865, 2761980, 3130244, 3314376, 3611820, 3912805, 4142970, 4334184, 4695366, 5417730, 5523960, 6260488, 7043049, 7223640, 7825610, 8285940, 9390732, 10835460, 11738415, 14086098, 15651220, 16571880, 18781464, 21670920, 23476830, 28172196, 31302440, 35215245, 46953660, 56344392, 70430490, 93907320, 140860980, 281721960]

約数ペア:

[(1, 281721960), (2, 140860980), (3, 93907320), (4, 70430490), (5, 56344392), (6, 46953660), (8, 35215245), (9, 31302440), (10, 28172196), (12, 23476830), (13, 21670920), (15, 18781464), (17, 16571880), (18, 15651220), (20, 14086098), (24, 11738415), (26, 10835460), (30, 9390732), (34, 8285940), (36, 7825610), (39, 7223640), (40, 7043049), (45, 6260488), (51, 5523960), (52, 5417730), (60, 4695366), (65, 4334184), (68, 4142970), (72, 3912805), (78, 3611820), (85, 3314376), (90, 3130244), (102, 2761980), (104, 2708865), (117, 2407880), (120, 2347683), (130, 2167092), (136, 2071485), (153, 1841320), (156, 1805910), (170, 1657188), (180, 1565122), (195, 1444728), (204, 1380990), (221, 1274760), (234, 1203940), (255, 1104792), (260, 1083546), (306, 920660), (312, 902955), (340, 828594), (360, 782561), (390, 722364), (408, 690495), (442, 637380), (468, 601970), (510, 552396), (520, 541773), (585, 481576), (612, 460330), (663, 424920), (680, 414297), (765, 368264), (780, 361182), (884, 318690), (936, 300985), (1020, 276198), (1105, 254952), (1170, 240788), (1224, 230165), (1326, 212460), (1530, 184132), (1560, 180591), (1768, 159345), (1989, 141640), (2040, 138099), (2210, 127476), (2340, 120394), (2652, 106230), (3060, 92066), (3315, 84984), (3541, 79560), (3978, 70820), (4420, 63738), (4680, 60197), (5304, 53115), (6120, 46033), (6630, 42492), (7082, 39780), (7956, 35410), (8840, 31869), (9945, 28328), (10623, 26520), (13260, 21246), (14164, 19890), (15912, 17705)]