31265640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1$

素因数の和:696

約数の個数: 192

約数和(自身を含む): 122428800

約数和(自身を除く): 91163160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 114, 120, 126, 133, 140, 152, 168, 171, 180, 190, 210, 228, 252, 266, 280, 285, 315, 342, 360, 380, 399, 420, 456, 504, 532, 570, 630, 653, 665, 684, 760, 798, 840, 855, 1064, 1140, 1197, 1260, 1306, 1330, 1368, 1596, 1710, 1959, 1995, 2280, 2394, 2520, 2612, 2660, 3192, 3265, 3420, 3918, 3990, 4571, 4788, 5224, 5320, 5877, 5985, 6530, 6840, 7836, 7980, 9142, 9576, 9795, 11754, 11970, 12407, 13060, 13713, 15672, 15960, 18284, 19590, 22855, 23508, 23940, 24814, 26120, 27426, 29385, 36568, 37221, 39180, 41139, 45710, 47016, 47880, 49628, 54852, 58770, 62035, 68565, 74442, 78360, 82278, 86849, 91420, 99256, 109704, 111663, 117540, 124070, 137130, 148884, 164556, 173698, 182840, 186105, 205695, 223326, 235080, 248140, 260547, 274260, 297768, 329112, 347396, 372210, 411390, 434245, 446652, 496280, 521094, 548520, 558315, 694792, 744420, 781641, 822780, 868490, 893304, 1042188, 1116630, 1302735, 1488840, 1563282, 1645560, 1736980, 2084376, 2233260, 2605470, 3126564, 3473960, 3908205, 4466520, 5210940, 6253128, 7816410, 10421880, 15632820, 31265640]

約数ペア:

[(1, 31265640), (2, 15632820), (3, 10421880), (4, 7816410), (5, 6253128), (6, 5210940), (7, 4466520), (8, 3908205), (9, 3473960), (10, 3126564), (12, 2605470), (14, 2233260), (15, 2084376), (18, 1736980), (19, 1645560), (20, 1563282), (21, 1488840), (24, 1302735), (28, 1116630), (30, 1042188), (35, 893304), (36, 868490), (38, 822780), (40, 781641), (42, 744420), (45, 694792), (56, 558315), (57, 548520), (60, 521094), (63, 496280), (70, 446652), (72, 434245), (76, 411390), (84, 372210), (90, 347396), (95, 329112), (105, 297768), (114, 274260), (120, 260547), (126, 248140), (133, 235080), (140, 223326), (152, 205695), (168, 186105), (171, 182840), (180, 173698), (190, 164556), (210, 148884), (228, 137130), (252, 124070), (266, 117540), (280, 111663), (285, 109704), (315, 99256), (342, 91420), (360, 86849), (380, 82278), (399, 78360), (420, 74442), (456, 68565), (504, 62035), (532, 58770), (570, 54852), (630, 49628), (653, 47880), (665, 47016), (684, 45710), (760, 41139), (798, 39180), (840, 37221), (855, 36568), (1064, 29385), (1140, 27426), (1197, 26120), (1260, 24814), (1306, 23940), (1330, 23508), (1368, 22855), (1596, 19590), (1710, 18284), (1959, 15960), (1995, 15672), (2280, 13713), (2394, 13060), (2520, 12407), (2612, 11970), (2660, 11754), (3192, 9795), (3265, 9576), (3420, 9142), (3918, 7980), (3990, 7836), (4571, 6840), (4788, 6530), (5224, 5985), (5320, 5877)]