72171540

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:399

約数の個数: 192

約数和(自身を含む): 261649920

約数和(自身を除く): 189478380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 61, 63, 70, 84, 90, 105, 108, 122, 126, 135, 140, 180, 183, 189, 210, 244, 252, 270, 305, 313, 315, 366, 378, 420, 427, 540, 549, 610, 626, 630, 732, 756, 854, 915, 939, 945, 1098, 1220, 1252, 1260, 1281, 1565, 1647, 1708, 1830, 1878, 1890, 2135, 2191, 2196, 2562, 2745, 2817, 3130, 3294, 3660, 3756, 3780, 3843, 4270, 4382, 4695, 5124, 5490, 5634, 6260, 6405, 6573, 6588, 7686, 8235, 8451, 8540, 8764, 9390, 10955, 10980, 11268, 11529, 12810, 13146, 14085, 15372, 16470, 16902, 18780, 19093, 19215, 19719, 21910, 23058, 25620, 26292, 28170, 32865, 32940, 33804, 38186, 38430, 39438, 42255, 43820, 46116, 56340, 57279, 57645, 59157, 65730, 76372, 76860, 78876, 84510, 95465, 98595, 114558, 115290, 118314, 131460, 133651, 169020, 171837, 190930, 197190, 229116, 230580, 236628, 267302, 286395, 295785, 343674, 381860, 394380, 400953, 515511, 534604, 572790, 591570, 668255, 687348, 801906, 859185, 1031022, 1145580, 1183140, 1202859, 1336510, 1603812, 1718370, 2004765, 2062044, 2405718, 2577555, 2673020, 3436740, 3608577, 4009530, 4811436, 5155110, 6014295, 7217154, 8019060, 10310220, 12028590, 14434308, 18042885, 24057180, 36085770, 72171540]

約数ペア:

[(1, 72171540), (2, 36085770), (3, 24057180), (4, 18042885), (5, 14434308), (6, 12028590), (7, 10310220), (9, 8019060), (10, 7217154), (12, 6014295), (14, 5155110), (15, 4811436), (18, 4009530), (20, 3608577), (21, 3436740), (27, 2673020), (28, 2577555), (30, 2405718), (35, 2062044), (36, 2004765), (42, 1718370), (45, 1603812), (54, 1336510), (60, 1202859), (61, 1183140), (63, 1145580), (70, 1031022), (84, 859185), (90, 801906), (105, 687348), (108, 668255), (122, 591570), (126, 572790), (135, 534604), (140, 515511), (180, 400953), (183, 394380), (189, 381860), (210, 343674), (244, 295785), (252, 286395), (270, 267302), (305, 236628), (313, 230580), (315, 229116), (366, 197190), (378, 190930), (420, 171837), (427, 169020), (540, 133651), (549, 131460), (610, 118314), (626, 115290), (630, 114558), (732, 98595), (756, 95465), (854, 84510), (915, 78876), (939, 76860), (945, 76372), (1098, 65730), (1220, 59157), (1252, 57645), (1260, 57279), (1281, 56340), (1565, 46116), (1647, 43820), (1708, 42255), (1830, 39438), (1878, 38430), (1890, 38186), (2135, 33804), (2191, 32940), (2196, 32865), (2562, 28170), (2745, 26292), (2817, 25620), (3130, 23058), (3294, 21910), (3660, 19719), (3756, 19215), (3780, 19093), (3843, 18780), (4270, 16902), (4382, 16470), (4695, 15372), (5124, 14085), (5490, 13146), (5634, 12810), (6260, 11529), (6405, 11268), (6573, 10980), (6588, 10955), (7686, 9390), (8235, 8764), (8451, 8540)]