84420420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:258

約数の個数: 192

約数和(自身を含む): 290304000

約数和(自身を除く): 205883580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 71, 76, 84, 95, 105, 114, 133, 140, 142, 149, 190, 210, 213, 228, 266, 284, 285, 298, 355, 380, 399, 420, 426, 447, 497, 532, 570, 596, 665, 710, 745, 798, 852, 894, 994, 1043, 1065, 1140, 1330, 1349, 1420, 1490, 1491, 1596, 1788, 1988, 1995, 2086, 2130, 2235, 2485, 2660, 2698, 2831, 2980, 2982, 3129, 3990, 4047, 4172, 4260, 4470, 4970, 5215, 5396, 5662, 5964, 6258, 6745, 7455, 7980, 8094, 8493, 8940, 9443, 9940, 10430, 10579, 11324, 12516, 13490, 14155, 14910, 15645, 16188, 16986, 18886, 19817, 20235, 20860, 21158, 26980, 28310, 28329, 29820, 31290, 31737, 33972, 37772, 39634, 40470, 42316, 42465, 47215, 52895, 56620, 56658, 59451, 62580, 63474, 74053, 79268, 80940, 84930, 94430, 99085, 105790, 113316, 118902, 126948, 141645, 148106, 158685, 169860, 188860, 198170, 201001, 211580, 222159, 237804, 283290, 296212, 297255, 317370, 370265, 396340, 402002, 444318, 566580, 594510, 603003, 634740, 740530, 804004, 888636, 1005005, 1110795, 1189020, 1206006, 1407007, 1481060, 2010010, 2221590, 2412012, 2814014, 3015015, 4020020, 4221021, 4443180, 5628028, 6030030, 7035035, 8442042, 12060060, 14070070, 16884084, 21105105, 28140140, 42210210, 84420420]

約数ペア:

[(1, 84420420), (2, 42210210), (3, 28140140), (4, 21105105), (5, 16884084), (6, 14070070), (7, 12060060), (10, 8442042), (12, 7035035), (14, 6030030), (15, 5628028), (19, 4443180), (20, 4221021), (21, 4020020), (28, 3015015), (30, 2814014), (35, 2412012), (38, 2221590), (42, 2010010), (57, 1481060), (60, 1407007), (70, 1206006), (71, 1189020), (76, 1110795), (84, 1005005), (95, 888636), (105, 804004), (114, 740530), (133, 634740), (140, 603003), (142, 594510), (149, 566580), (190, 444318), (210, 402002), (213, 396340), (228, 370265), (266, 317370), (284, 297255), (285, 296212), (298, 283290), (355, 237804), (380, 222159), (399, 211580), (420, 201001), (426, 198170), (447, 188860), (497, 169860), (532, 158685), (570, 148106), (596, 141645), (665, 126948), (710, 118902), (745, 113316), (798, 105790), (852, 99085), (894, 94430), (994, 84930), (1043, 80940), (1065, 79268), (1140, 74053), (1330, 63474), (1349, 62580), (1420, 59451), (1490, 56658), (1491, 56620), (1596, 52895), (1788, 47215), (1988, 42465), (1995, 42316), (2086, 40470), (2130, 39634), (2235, 37772), (2485, 33972), (2660, 31737), (2698, 31290), (2831, 29820), (2980, 28329), (2982, 28310), (3129, 26980), (3990, 21158), (4047, 20860), (4172, 20235), (4260, 19817), (4470, 18886), (4970, 16986), (5215, 16188), (5396, 15645), (5662, 14910), (5964, 14155), (6258, 13490), (6745, 12516), (7455, 11324), (7980, 10579), (8094, 10430), (8493, 9940), (8940, 9443)]