639969390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^2$

素因数の和:176

約数の個数: 192

約数和(自身を含む): 1852545600

約数和(自身を除く): 1212576210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 37, 45, 47, 54, 58, 74, 87, 90, 94, 111, 135, 141, 145, 174, 185, 222, 235, 261, 270, 282, 290, 333, 370, 423, 435, 470, 522, 555, 666, 705, 783, 846, 870, 999, 1073, 1110, 1269, 1305, 1363, 1410, 1566, 1665, 1739, 1998, 2115, 2146, 2209, 2538, 2610, 2726, 3219, 3330, 3478, 3915, 4089, 4230, 4418, 4995, 5217, 5365, 6345, 6438, 6627, 6815, 7830, 8178, 8695, 9657, 9990, 10434, 10730, 11045, 12267, 12690, 13254, 13630, 15651, 16095, 17390, 19314, 19881, 20445, 22090, 24534, 26085, 28971, 31302, 32190, 33135, 36801, 39762, 40890, 46953, 48285, 50431, 52170, 57942, 59643, 61335, 64061, 66270, 73602, 78255, 81733, 93906, 96570, 99405, 100862, 119286, 122670, 128122, 144855, 151293, 156510, 163466, 184005, 192183, 198810, 234765, 245199, 252155, 289710, 298215, 302586, 320305, 368010, 384366, 408665, 453879, 469530, 490398, 504310, 576549, 596430, 640610, 735597, 756465, 817330, 907758, 960915, 1153098, 1225995, 1361637, 1471194, 1512930, 1729647, 1921830, 2206791, 2269395, 2370257, 2451990, 2723274, 2882745, 3459294, 3677985, 4413582, 4538790, 4740514, 5765490, 6808185, 7110771, 7355970, 8648235, 11033955, 11851285, 13616370, 14221542, 17296470, 21332313, 22067910, 23702570, 35553855, 42664626, 63996939, 71107710, 106661565, 127993878, 213323130, 319984695, 639969390]

約数ペア:

[(1, 639969390), (2, 319984695), (3, 213323130), (5, 127993878), (6, 106661565), (9, 71107710), (10, 63996939), (15, 42664626), (18, 35553855), (27, 23702570), (29, 22067910), (30, 21332313), (37, 17296470), (45, 14221542), (47, 13616370), (54, 11851285), (58, 11033955), (74, 8648235), (87, 7355970), (90, 7110771), (94, 6808185), (111, 5765490), (135, 4740514), (141, 4538790), (145, 4413582), (174, 3677985), (185, 3459294), (222, 2882745), (235, 2723274), (261, 2451990), (270, 2370257), (282, 2269395), (290, 2206791), (333, 1921830), (370, 1729647), (423, 1512930), (435, 1471194), (470, 1361637), (522, 1225995), (555, 1153098), (666, 960915), (705, 907758), (783, 817330), (846, 756465), (870, 735597), (999, 640610), (1073, 596430), (1110, 576549), (1269, 504310), (1305, 490398), (1363, 469530), (1410, 453879), (1566, 408665), (1665, 384366), (1739, 368010), (1998, 320305), (2115, 302586), (2146, 298215), (2209, 289710), (2538, 252155), (2610, 245199), (2726, 234765), (3219, 198810), (3330, 192183), (3478, 184005), (3915, 163466), (4089, 156510), (4230, 151293), (4418, 144855), (4995, 128122), (5217, 122670), (5365, 119286), (6345, 100862), (6438, 99405), (6627, 96570), (6815, 93906), (7830, 81733), (8178, 78255), (8695, 73602), (9657, 66270), (9990, 64061), (10434, 61335), (10730, 59643), (11045, 57942), (12267, 52170), (12690, 50431), (13254, 48285), (13630, 46953), (15651, 40890), (16095, 39762), (17390, 36801), (19314, 33135), (19881, 32190), (20445, 31302), (22090, 28971), (24534, 26085)]