728411580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18311}}^1$

素因数の和:18356

約数の個数: 144

約数和(自身を含む): 2519584704

約数和(自身を除く): 1791173124

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, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 510, 585, 612, 663, 765, 780, 884, 1020, 1105, 1170, 1326, 1530, 1989, 2210, 2340, 2652, 3060, 3315, 3978, 4420, 6630, 7956, 9945, 13260, 18311, 19890, 36622, 39780, 54933, 73244, 91555, 109866, 164799, 183110, 219732, 238043, 274665, 311287, 329598, 366220, 476086, 549330, 622574, 659196, 714129, 823995, 933861, 952172, 1098660, 1190215, 1245148, 1428258, 1556435, 1647990, 1867722, 2142387, 2380430, 2801583, 2856516, 3112870, 3295980, 3570645, 3735444, 4046731, 4284774, 4669305, 4760860, 5603166, 6225740, 7141290, 8093462, 8569548, 9338610, 10711935, 11206332, 12140193, 14007915, 14282580, 16186924, 18677220, 20233655, 21423870, 24280386, 28015830, 36420579, 40467310, 42847740, 48560772, 56031660, 60700965, 72841158, 80934620, 121401930, 145682316, 182102895, 242803860, 364205790, 728411580]

約数ペア:

[(1, 728411580), (2, 364205790), (3, 242803860), (4, 182102895), (5, 145682316), (6, 121401930), (9, 80934620), (10, 72841158), (12, 60700965), (13, 56031660), (15, 48560772), (17, 42847740), (18, 40467310), (20, 36420579), (26, 28015830), (30, 24280386), (34, 21423870), (36, 20233655), (39, 18677220), (45, 16186924), (51, 14282580), (52, 14007915), (60, 12140193), (65, 11206332), (68, 10711935), (78, 9338610), (85, 8569548), (90, 8093462), (102, 7141290), (117, 6225740), (130, 5603166), (153, 4760860), (156, 4669305), (170, 4284774), (180, 4046731), (195, 3735444), (204, 3570645), (221, 3295980), (234, 3112870), (255, 2856516), (260, 2801583), (306, 2380430), (340, 2142387), (390, 1867722), (442, 1647990), (468, 1556435), (510, 1428258), (585, 1245148), (612, 1190215), (663, 1098660), (765, 952172), (780, 933861), (884, 823995), (1020, 714129), (1105, 659196), (1170, 622574), (1326, 549330), (1530, 476086), (1989, 366220), (2210, 329598), (2340, 311287), (2652, 274665), (3060, 238043), (3315, 219732), (3978, 183110), (4420, 164799), (6630, 109866), (7956, 91555), (9945, 73244), (13260, 54933), (18311, 39780), (19890, 36622)]