260305020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{331}}^1$

素因数の和:620

約数の個数: 144

約数和(自身を含む): 841827168

約数和(自身を除く): 581522148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 257, 306, 331, 340, 510, 514, 612, 662, 765, 771, 993, 1020, 1028, 1285, 1324, 1530, 1542, 1655, 1986, 2313, 2570, 2979, 3060, 3084, 3310, 3855, 3972, 4369, 4626, 4965, 5140, 5627, 5958, 6620, 7710, 8738, 9252, 9930, 11254, 11565, 11916, 13107, 14895, 15420, 16881, 17476, 19860, 21845, 22508, 23130, 26214, 28135, 29790, 33762, 39321, 43690, 46260, 50643, 52428, 56270, 59580, 65535, 67524, 78642, 84405, 85067, 87380, 101286, 112540, 131070, 157284, 168810, 170134, 196605, 202572, 253215, 255201, 262140, 337620, 340268, 393210, 425335, 506430, 510402, 765603, 786420, 850670, 1012860, 1020804, 1276005, 1446139, 1531206, 1701340, 2552010, 2892278, 3062412, 3828015, 4338417, 5104020, 5784556, 7230695, 7656030, 8676834, 13015251, 14461390, 15312060, 17353668, 21692085, 26030502, 28922780, 43384170, 52061004, 65076255, 86768340, 130152510, 260305020]

約数ペア:

[(1, 260305020), (2, 130152510), (3, 86768340), (4, 65076255), (5, 52061004), (6, 43384170), (9, 28922780), (10, 26030502), (12, 21692085), (15, 17353668), (17, 15312060), (18, 14461390), (20, 13015251), (30, 8676834), (34, 7656030), (36, 7230695), (45, 5784556), (51, 5104020), (60, 4338417), (68, 3828015), (85, 3062412), (90, 2892278), (102, 2552010), (153, 1701340), (170, 1531206), (180, 1446139), (204, 1276005), (255, 1020804), (257, 1012860), (306, 850670), (331, 786420), (340, 765603), (510, 510402), (514, 506430), (612, 425335), (662, 393210), (765, 340268), (771, 337620), (993, 262140), (1020, 255201), (1028, 253215), (1285, 202572), (1324, 196605), (1530, 170134), (1542, 168810), (1655, 157284), (1986, 131070), (2313, 112540), (2570, 101286), (2979, 87380), (3060, 85067), (3084, 84405), (3310, 78642), (3855, 67524), (3972, 65535), (4369, 59580), (4626, 56270), (4965, 52428), (5140, 50643), (5627, 46260), (5958, 43690), (6620, 39321), (7710, 33762), (8738, 29790), (9252, 28135), (9930, 26214), (11254, 23130), (11565, 22508), (11916, 21845), (13107, 19860), (14895, 17476), (15420, 16881)]