221675220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1553}}^1$

素因数の和:1642

約数の個数: 144

約数和(自身を含む): 736484112

約数和(自身を除く): 514808892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 61, 65, 78, 90, 117, 122, 130, 156, 180, 183, 195, 234, 244, 260, 305, 366, 390, 468, 549, 585, 610, 732, 780, 793, 915, 1098, 1170, 1220, 1553, 1586, 1830, 2196, 2340, 2379, 2745, 3106, 3172, 3660, 3965, 4659, 4758, 5490, 6212, 7137, 7765, 7930, 9318, 9516, 10980, 11895, 13977, 14274, 15530, 15860, 18636, 20189, 23295, 23790, 27954, 28548, 31060, 35685, 40378, 46590, 47580, 55908, 60567, 69885, 71370, 80756, 93180, 94733, 100945, 121134, 139770, 142740, 181701, 189466, 201890, 242268, 279540, 284199, 302835, 363402, 378932, 403780, 473665, 568398, 605670, 726804, 852597, 908505, 947330, 1136796, 1211340, 1231529, 1420995, 1705194, 1817010, 1894660, 2463058, 2841990, 3410388, 3634020, 3694587, 4262985, 4926116, 5683980, 6157645, 7389174, 8525970, 11083761, 12315290, 14778348, 17051940, 18472935, 22167522, 24630580, 36945870, 44335044, 55418805, 73891740, 110837610, 221675220]

約数ペア:

[(1, 221675220), (2, 110837610), (3, 73891740), (4, 55418805), (5, 44335044), (6, 36945870), (9, 24630580), (10, 22167522), (12, 18472935), (13, 17051940), (15, 14778348), (18, 12315290), (20, 11083761), (26, 8525970), (30, 7389174), (36, 6157645), (39, 5683980), (45, 4926116), (52, 4262985), (60, 3694587), (61, 3634020), (65, 3410388), (78, 2841990), (90, 2463058), (117, 1894660), (122, 1817010), (130, 1705194), (156, 1420995), (180, 1231529), (183, 1211340), (195, 1136796), (234, 947330), (244, 908505), (260, 852597), (305, 726804), (366, 605670), (390, 568398), (468, 473665), (549, 403780), (585, 378932), (610, 363402), (732, 302835), (780, 284199), (793, 279540), (915, 242268), (1098, 201890), (1170, 189466), (1220, 181701), (1553, 142740), (1586, 139770), (1830, 121134), (2196, 100945), (2340, 94733), (2379, 93180), (2745, 80756), (3106, 71370), (3172, 69885), (3660, 60567), (3965, 55908), (4659, 47580), (4758, 46590), (5490, 40378), (6212, 35685), (7137, 31060), (7765, 28548), (7930, 27954), (9318, 23790), (9516, 23295), (10980, 20189), (11895, 18636), (13977, 15860), (14274, 15530)]