31114020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{557}}^1$

素因数の和:602

約数の個数: 144

約数和(自身を含む): 106868160

約数和(自身を除く): 75754140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 557, 570, 588, 665, 735, 798, 931, 980, 1114, 1140, 1330, 1470, 1596, 1671, 1862, 1995, 2228, 2660, 2785, 2793, 2940, 3342, 3724, 3899, 3990, 4655, 5570, 5586, 6684, 7798, 7980, 8355, 9310, 10583, 11140, 11172, 11697, 13965, 15596, 16710, 18620, 19495, 21166, 23394, 27293, 27930, 31749, 33420, 38990, 42332, 46788, 52915, 54586, 55860, 58485, 63498, 74081, 77980, 81879, 105830, 109172, 116970, 126996, 136465, 148162, 158745, 163758, 211660, 222243, 233940, 272930, 296324, 317490, 327516, 370405, 409395, 444486, 518567, 545860, 634980, 740810, 818790, 888972, 1037134, 1111215, 1481620, 1555701, 1637580, 2074268, 2222430, 2592835, 3111402, 4444860, 5185670, 6222804, 7778505, 10371340, 15557010, 31114020]

約数ペア:

[(1, 31114020), (2, 15557010), (3, 10371340), (4, 7778505), (5, 6222804), (6, 5185670), (7, 4444860), (10, 3111402), (12, 2592835), (14, 2222430), (15, 2074268), (19, 1637580), (20, 1555701), (21, 1481620), (28, 1111215), (30, 1037134), (35, 888972), (38, 818790), (42, 740810), (49, 634980), (57, 545860), (60, 518567), (70, 444486), (76, 409395), (84, 370405), (95, 327516), (98, 317490), (105, 296324), (114, 272930), (133, 233940), (140, 222243), (147, 211660), (190, 163758), (196, 158745), (210, 148162), (228, 136465), (245, 126996), (266, 116970), (285, 109172), (294, 105830), (380, 81879), (399, 77980), (420, 74081), (490, 63498), (532, 58485), (557, 55860), (570, 54586), (588, 52915), (665, 46788), (735, 42332), (798, 38990), (931, 33420), (980, 31749), (1114, 27930), (1140, 27293), (1330, 23394), (1470, 21166), (1596, 19495), (1671, 18620), (1862, 16710), (1995, 15596), (2228, 13965), (2660, 11697), (2785, 11172), (2793, 11140), (2940, 10583), (3342, 9310), (3724, 8355), (3899, 7980), (3990, 7798), (4655, 6684), (5570, 5586)]