1630980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:86

約数の個数: 144

約数和(自身を含む): 5778864

約数和(自身を除く): 4147884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 41, 45, 51, 52, 60, 65, 68, 78, 82, 85, 90, 102, 117, 123, 130, 153, 156, 164, 170, 180, 195, 204, 205, 221, 234, 246, 255, 260, 306, 340, 369, 390, 410, 442, 468, 492, 510, 533, 585, 612, 615, 663, 697, 738, 765, 780, 820, 884, 1020, 1066, 1105, 1170, 1230, 1326, 1394, 1476, 1530, 1599, 1845, 1989, 2091, 2132, 2210, 2340, 2460, 2652, 2665, 2788, 3060, 3198, 3315, 3485, 3690, 3978, 4182, 4420, 4797, 5330, 6273, 6396, 6630, 6970, 7380, 7956, 7995, 8364, 9061, 9594, 9945, 10455, 10660, 12546, 13260, 13940, 15990, 18122, 19188, 19890, 20910, 23985, 25092, 27183, 31365, 31980, 36244, 39780, 41820, 45305, 47970, 54366, 62730, 81549, 90610, 95940, 108732, 125460, 135915, 163098, 181220, 271830, 326196, 407745, 543660, 815490, 1630980]

約数ペア:

[(1, 1630980), (2, 815490), (3, 543660), (4, 407745), (5, 326196), (6, 271830), (9, 181220), (10, 163098), (12, 135915), (13, 125460), (15, 108732), (17, 95940), (18, 90610), (20, 81549), (26, 62730), (30, 54366), (34, 47970), (36, 45305), (39, 41820), (41, 39780), (45, 36244), (51, 31980), (52, 31365), (60, 27183), (65, 25092), (68, 23985), (78, 20910), (82, 19890), (85, 19188), (90, 18122), (102, 15990), (117, 13940), (123, 13260), (130, 12546), (153, 10660), (156, 10455), (164, 9945), (170, 9594), (180, 9061), (195, 8364), (204, 7995), (205, 7956), (221, 7380), (234, 6970), (246, 6630), (255, 6396), (260, 6273), (306, 5330), (340, 4797), (369, 4420), (390, 4182), (410, 3978), (442, 3690), (468, 3485), (492, 3315), (510, 3198), (533, 3060), (585, 2788), (612, 2665), (615, 2652), (663, 2460), (697, 2340), (738, 2210), (765, 2132), (780, 2091), (820, 1989), (884, 1845), (1020, 1599), (1066, 1530), (1105, 1476), (1170, 1394), (1230, 1326)]